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Long Arm Metric Hex Allen Keys

Hex Width Across Flats: 3M

Long Arm Hex Keys provide more leverage to install a metric fastener. Long Arm Hex Keys have a longer arm than Short Arm Hex Keys. For example, a 5M hex key in short arm has a max length of 80mm, while a 5M long arm hex key has a max length of 118mm, a full 38mm longer.